The Ruger Conversion. Irregular and inadequate shooting, inspired Dixie Precision to come up with a solution. We replaced the barrel nut with The DPR system, which allows you to replace the barrel. If your having trouble and enjoy shooting your Ruger, however, you would like more consistent shot placement. The conversion system allows you to replace your barrel with up to a 1.25". The Barrel is $375.00 The conversion system is $285.00 Also available is barrel threading and additional Muzzle Brake.